7854201

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 12467520

約数和(自身を除く): 4613319

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 1997, 3933, 5991, 17973, 37943, 45931, 113829, 137793, 341487, 413379, 872689, 2618067, 7854201]

約数ペア:

[(1, 7854201), (3, 2618067), (9, 872689), (19, 413379), (23, 341487), (57, 137793), (69, 113829), (171, 45931), (207, 37943), (437, 17973), (1311, 5991), (1997, 3933)]